﻿<!DOCTYPE HTML>
<html lang="en-US">
<head>
	<meta charset="UTF-8">
	<title>border-color制作立体渐变边框效果</title>
  <style type="text/css">
    div{
      width: 200px;
      height: 100px;
      border: 10px solid transparent;
      border-radius: 15px 0 15px 0;
      -moz-border-top-colors:#a0a #909 #808 #707 #606 #505 #404 #303;
      -moz-border-right-colors:#a0a #909 #808 #707 #606 #505 #404 #303;
      -moz-border-bottom-colors:#a0a #909 #808 #707 #606 #505 #404 #303;
      -moz-border-left-colors:#a0a #909 #808 #707 #606 #505 #404 #303;
    }
  </style>
</head>
<body>
	<div></div>
</body>
</html>